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WO1993019679A1 - Systeme de catheter de fragmentation mecanique intradermique - Google Patents

Systeme de catheter de fragmentation mecanique intradermique Download PDF

Info

Publication number
WO1993019679A1
WO1993019679A1 PCT/US1993/003213 US9303213W WO9319679A1 WO 1993019679 A1 WO1993019679 A1 WO 1993019679A1 US 9303213 W US9303213 W US 9303213W WO 9319679 A1 WO9319679 A1 WO 9319679A1
Authority
WO
WIPO (PCT)
Prior art keywords
fragmentation
catheter
catheter system
vascular
vascular conduit
Prior art date
Application number
PCT/US1993/003213
Other languages
English (en)
Inventor
Scott O. Tererotola
Original Assignee
The Johns Hopkins University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25343894&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1993019679(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by The Johns Hopkins University filed Critical The Johns Hopkins University
Publication of WO1993019679A1 publication Critical patent/WO1993019679A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22038—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with a guide wire
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/005—Auxiliary appliance with suction drainage system

Definitions

  • FIG. 3 shows an alternative embodiment for the fragmentation catheter.
  • the fragmentation cage 16 would connect to a hub 26 on its distal end and to a shaft 28 with an inner lumen on its proximal end.
  • a guide wire 30 would be able to pass through the inner lumen of shaft 30 and hub 26.
  • the guide wire 30 could be positioned in the vascular conduit (not shown) and the fragmentation cage 16 could be controlled by handles 20 and 22 (not shown) to be moved along the guide wire 30.
  • An optional section means 31 could attach to the proximal end of the inner lumen of shaft 30 and draw debris homogenized by the catheter from the vessel.
  • Figure 4a is an anatomical view of the dialysis fistula showing how the catheter system would be deployed;
  • Figures 4b and 4c show how the catheter system could be deployed to fragment and homogenize thrombic material.
  • a guide wire would be inserted through a needle or through a slit into the graft and advanced to the far end of the thrombus.
  • the introducer sheath 10 is advanced along the guide wire to the far end of the thrombus and the guide wire is removed.
  • the fragmentation catheter is advanced along the introducer sheath 10 to is distal end. This process is done under fluoroscopic control. Once in the proper position, the fragmentation catheter is advanced and the fragmentation cage 16 is deployed (see Figures 4b and 4c).

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention décrit un système de cathéter intradermique servant à fragmenter mécaniquement des thrombus dans un conduit vasculaire. Ledit système comporte un cathéter de fragmentation (14) placé à l'intérieur d'une gaine d'introduction extérieure (12). Un élément de fragmentation (16) à dilatation automatique est fixé à l'extrémité distale du cathéter de fragmentation. Un mécanisme d'actionnement (10) est fixé à l'extrémité proximale du cathéter de fragmentation par une tige de commande souple (18) faisant tourner l'élément de fragmentation, de façon à fragmenter le matériau thrombolytique en petites particules.
PCT/US1993/003213 1992-04-07 1993-04-07 Systeme de catheter de fragmentation mecanique intradermique WO1993019679A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86471492A 1992-04-07 1992-04-07
US07/864,714 1992-04-07

Publications (1)

Publication Number Publication Date
WO1993019679A1 true WO1993019679A1 (fr) 1993-10-14

Family

ID=25343894

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/003213 WO1993019679A1 (fr) 1992-04-07 1993-04-07 Systeme de catheter de fragmentation mecanique intradermique

Country Status (2)

Country Link
US (4) US5766191A (fr)
WO (1) WO1993019679A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
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US5501694A (en) * 1992-11-13 1996-03-26 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5766191A (en) * 1992-04-07 1998-06-16 Johns Hopkins University Percutaneous mechanical fragmentation catheter system
US5792157A (en) * 1992-11-13 1998-08-11 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5836868A (en) * 1992-11-13 1998-11-17 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5897567A (en) * 1993-04-29 1999-04-27 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
EP0921841A1 (fr) * 1997-02-12 1999-06-16 Prolifix Medical, Inc. Appareil et procede d'extraction de matiere stenosee de protheses endovasculaires
WO1999060935A1 (fr) * 1998-05-26 1999-12-02 Krahn Henry P Dispositif de reduction de la taille des tissus mous
US6015420A (en) * 1997-03-06 2000-01-18 Scimed Life Systems, Inc. Atherectomy device for reducing damage to vessels and/or in-vivo stents
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US7179269B2 (en) 2002-05-20 2007-02-20 Scimed Life Systems, Inc. Apparatus and system for removing an obstruction from a lumen
DE102014222600A1 (de) 2014-11-05 2016-05-12 Epflex Feinwerktechnik Gmbh Medizinisches Fangdrahtinstrument

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US7108704B2 (en) 2006-09-19
US20030130673A1 (en) 2003-07-10
US20050125016A1 (en) 2005-06-09
US6824551B2 (en) 2004-11-30
US5766191A (en) 1998-06-16
US20010016751A1 (en) 2001-08-23

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